1. Acids & Alkalis Crossword
Across
1. When an acid and an alkali neutralise, water and are produced
4. Is lemon juice an acid or an alkali?
7. What is the name of an acid that you can put on your chips?
8. What colour does universal indicator turn in a strong alkali?
9. The name of the chemical reaction between an acid and an alkali
11. Is sodium hydroxide an acid or an alkali?
13. What must you wear during experiments to protect your eyes?
14. What is the pH of a neutral solution?
15. What is the pH of a very strong acid?
Down
2. An alkali that you use to clean your teeth.
3. What colour does universal indicator turn in hydrochloric acid?
5. Which hazard sign is put on chemicals that can burn your skin?
6. Which hazard warning sign is put on chemicals that can make your skin itch?
10. What type of substances have a pH between 1 and 6?
12. What colour does universal indicator turn in a neutral solution?